Nail polish has become the must-have accessory to finish up a look. With the explosion of nail art, we're painting stripes, dots, animal prints and logos on our nails and much more complex patterns. For those of you (ahem me!) who are not pros or that don't have a friend on hand to do their manicure, here's what I'm proposing: a gradient of colors. On each hands, apply a different shade of one color, to create a pretty gradient effect, from light to darker. Here are my picks: